Permit overlayfs mounts within user namespaces to allow utilisation of e.g.
unprivileged LXC overlay snapshots.
Except by the Ubuntu community [1], overlayfs mounts in user namespaces are
expected to be a security risk [2] and thus are not enabled on upstream
Linux kernels. For the non-Ubuntu users that have to stick to unprivileged
overlay-based LXCs, this meant to patch and compile the kernel manually.
Instead, adding the kernel tainting 'permit_mounts_in_userns' module
parameter allows a kind of a user-friendly way to enable the feature.
Testable with:
sudo modprobe overlay permit_mounts_in_userns=1
sudo sysctl -w kernel.unprivileged_userns_clone=1
mkdir -p lower upper work mnt
unshare --map-root-user --mount \
mount -t overlay none mnt \
-o lowerdir=lower,upperdir=upper,workdir=work
[1]: Ubuntu allows unprivileged mounting of overlay filesystem
https://lists.ubuntu.com/archives/kernel-team/2014-February/038091.html
[2]: User namespaces + overlayfs = root privileges
https://lwn.net/Articles/671641/
Signed-off-by: Nicolas Schier <nicolas@fjasle.eu>
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Merge tag 'debian/4.18.10-1'
Release linux (4.18.10-1).
- Drop new patches that are already included upstream
- Keep ABI number set to "trunk"
- Refresh arm64 APEI workaround patch for 4.19
This updates the debian changelog for listing changes of this stable
update. It also removes patches applied upstream and refreshes a patch
that is part of 4.18.7-rt5.
This updates the debian changelog for listing changes of this stable
update. It also removes patches applied upstream and refreshes a patch
that is part of 4.18.7-rt5.
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Merge tag 'debian/4.18.8-1'
Release linux (4.18.8-1).
- Drop ABI reference files and ABI maintenance patch
- Replace ccp driver patch with upstream version that applies to 4.19
Rename them to genpatch-{aufs,lockdown,rt}
Fixes lintian warning patch-file-present-but-not-mentioned-in-series.
Also preparation for using dgit, which will remove everything except
the main patch series under debian/patches.
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Merge tag 'debian/4.17.17-1'
Release linux (4.17.17-1).
- Drop "gpu: host1x: Fix compiler errors by converting to dma_addr_t"
which is already in 4.18
- Drop ABI reference files and ABI number change
Drop x86-l1tf-fix-build-error-seen-if-config_kvm_intel-is-disabled.patch
Drop x86-i8259-add-missing-include-file.patch
Drop bluetooth-hidp-buffer-overflow-in-hidp_process_report.patch
Cleanup debian/changelog file
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Merge tag 'debian/4.17.6-2'
Release linux (4.17.6-2).
- Drop the ABI maintenance patch
- Resolve conflict between changes to config file generation in sid
(delete CONFIG_BUILD_SALT) and master (putting them in
arch-dependent packages)
Closes: #872263
- kbuild: Add build salt to the kernel and modules
- [arm64,powerpc,x86] Add build salt to the vDSO
- Set BUILD_SALT equal to the release string
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Merge tag 'debian/4.17.6-1'
Release linux (4.17.6-1).
- Drop patches for ABI maintenance or that are already upstream
- Drop ABI reference files
The real problem was not that there were two rules, but that the first
rule didn't work for out-of-tree builds.
After I disabled the second rule, "make man" still succeeded because
of another rule (with no commands) that made all man pages depend on
asciidoc.conf.
This updates the debian changelog for listing changes of this stable
update. It also removes the patches that have been merged upstream.
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Add a patch to disable uImage generation to avoid depend on u-boot-tools
Fix typo the EL's flavor names in installer: not same within defines
Malta is never used for r6. (Closes: #898523)
Boston also requires relocation table size >= 0x00121000
Refresh bugfix/all/fs-add-module_softdep-declarations-for-hard-coded-cr.patch
Drop patches applied upstream related to CVE-2018-1093
Cleanup debian/changelog entries
- Drop patches included upstream
- Drop "Don't WARN about expected W+X pages on Xen"; the problem appears
to have been fixed by upstream commits 2cc42bac1c ("x86-64/Xen: eliminate
W+X mappings") and 672c0ae09b33 ("x86/mm: Consider effective protection
attributes in W+X check")
- Drop "Kbuild: kconfig: Verbose version of --listnewconfig"; it seems
redundant with upstream commit 17baab68d337 ("kconfig: extend output of
'listnewconfig'")
- Drop lockdown patch to drivers/scsi/eata.c; the driver was removed
upstream
- Refresh various other patches
- Drop patches already in 4.16
- Overwrite changes on master to debian/installer, which were also
applied on sid and then changed
- [x86] Fix up dell_smbios configuration; now it's a single driver
selected by DELL_SMBIOS, with DELL_SMBIOS_{SMM,WMI} being boolean
options
- Clean up configuration with kconfigeditor2
Add CVE ids for two issues fixed in 4.15.10
Drop bugfix/all/scsi-core-Avoid-that-ATA-error-handling-can-trigger-.patch
Drop bugfix/all/nospec-kill-array_index_nospec_mask_check.patch
Cleanup debian/changelog file
Hans van Kranenburg
Ben Hutchings
Salvatore Bonaccorso
Hilko Bengen
Nicolas Schier
Romain Perier
Geoff Levand
Vagrant Cascadian
Bastian Blank
YunQiang Su
Helge Deller